Home / 1,127,570.32-1,688,037.60-752,663.44

Finding the Fourth Proportional to 1,127,570.32, 1,688,037.60 and 752,663.44

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Solution

The fourth proportional to 1,127,570.32, 1,688,037.60 and 752,663.44 is: 1,126,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,570.32 : 1,688,037.60 = 752,663.44 : x
  2. Step 2: Convert to fraction form
    1,127,570.32/1,688,037.60 = 752,663.44/x
  3. Step 3: Cross multiply
    1,127,570.32x = 1,688,037.60 × 752,663.44
  4. Step 4: Simplify right side
    1,127,570.32x = 1,270,524,186,865.34
  5. Step 5: Solve for x
    x = 1,270,524,186,865.34/1,127,570.32
  6. Step 6: Final answer
    x = 1,126,780.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.